公开(公告)号：US3781337A

公开(公告)日：1973-12-25

申请号：US3781337D

申请日：1971-12-03

Applicant: BASF AG

Inventor： HIMMELE W ,  FLIEGE W ,  FROEHLICH H

IPC: C07C1/213 ,  C07C1/20 ,  C07C67/00

CPC classification number: C07C1/213 ,  C07C67/297 ,  C07C2523/06 ,  C07C2523/42 ,  C07C2523/44 ,  C07C2523/50 ,  C07C2523/52 ,  C07C2523/72 ,  C07C2523/755 ,  C07C11/22 ,  C07C69/07 ,  C07C69/145 ,  C07C69/007

Abstract: A PROCESS FOR THE CATALYTIC ELIMINATION OF CARBON DIOXIDE FROM FORMYLOXYALKYNES WHICH BEAR A FORMYLOXY GROUP ON AT LEAST ONE OF THE CARBON ATOMS IN THE A-POSITION TO THE TRIPLE BOND. THE PROCESS IN IMPORTANT FOR EXAMPLE FOR THE PRODUCTION OF ALKYNYL FORMATES SUCH AS 2-BUTYN-1-YL FORMATE, 2-PENTYN-1-YL FORMATE AND 3-HEXYN2-YL FORMATE FROM THE CORRESPONDING ALKYNEDOIL DIFORMATE AND FOR THE PRODUCTION OF ALKYNES AND ALLENES FROM ALKYNEDIOL DIFORMATES OR ALKYNYL FORMATES.